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All results from a given calculation for C5H6O (3-Methylfuran)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-268.115765
Energy at 298.15K-268.122169
HF Energy-267.541490
Nuclear repulsion energy217.053879
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3328 3184 0.68      
2 A' 3312 3169 0.55      
3 A' 3265 3124 2.20      
4 A' 3139 3003 20.58      
5 A' 3056 2924 29.91      
6 A' 1620 1550 1.17      
7 A' 1573 1505 6.38      
8 A' 1499 1434 10.17      
9 A' 1494 1429 1.00      
10 A' 1402 1341 9.33      
11 A' 1287 1232 0.12      
12 A' 1258 1204 0.18      
13 A' 1171 1120 23.24      
14 A' 1065 1019 10.82      
15 A' 1045 1000 5.43      
16 A' 998 955 15.96      
17 A' 983 940 1.62      
18 A' 866 829 30.36      
19 A' 636 609 3.02      
20 A' 330 316 0.81      
21 A" 3130 2995 23.55      
22 A" 1555 1488 6.61      
23 A" 1111 1063 1.39      
24 A" 743 711 1.75      
25 A" 710 679 82.18      
26 A" 652 624 2.31      
27 A" 589 563 20.04      
28 A" 554 530 0.17      
29 A" 250 239 1.90      
30 A" 112 107 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21365.5 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 20442.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G
ABC
0.28446 0.10923 0.08012

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.723 -1.490 0.000
C2 -1.114 -0.127 0.000
C3 0.693 -1.492 0.000
C4 0.000 0.689 0.000
C5 1.158 -0.195 0.000
C6 0.020 2.199 0.000
H7 -2.181 0.049 0.000
H8 1.155 -2.469 0.000
H9 2.200 0.109 0.000
H10 -1.004 2.598 0.000
H11 0.534 2.593 0.889
H12 0.534 2.593 -0.889

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.41721.41592.29502.28383.76292.11982.11743.33184.09764.36304.3630
C21.41722.26381.38052.27302.58801.08173.25973.32242.72773.30203.3020
C31.41592.26382.28761.37773.75163.26071.08052.19864.42794.18284.1828
C42.29501.38052.28761.45681.51082.27263.36152.27552.15762.16812.1681
C52.28382.27301.37771.45682.65093.34812.27361.08543.53252.99172.9917
C63.76292.58803.75161.51082.65093.07674.80363.02051.09921.09951.0995
H72.11981.08173.26072.27263.34813.07674.17904.38162.80753.82493.8249
H82.11743.25971.08053.36152.27364.80364.17902.78155.50755.17605.1760
H93.33183.32242.19862.27551.08543.02054.38162.78154.05793.12023.1202
H104.09762.72774.42792.15763.53251.09922.80755.50754.05791.77651.7765
H114.36303.30204.18282.16812.99171.09953.82495.17603.12021.77651.7772
H124.36303.30204.18282.16812.99171.09953.82495.17603.12021.77651.7772

picture of 3-Methylfuran state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 110.229 O1 C2 H7 115.391
O1 C3 C5 109.670 O1 C3 H8 115.368
C2 O1 C3 106.076 C2 C4 C5 106.442
C2 C4 C6 126.985 C3 C5 C4 107.584
C3 C5 H9 125.998 C4 C2 H7 134.381
C4 C5 H9 126.419 C4 C6 H10 110.530
C4 C6 H11 111.353 C4 C6 H12 111.353
C5 C3 H8 134.962 C5 C4 C6 126.573
H10 C6 H11 107.804 H10 C6 H12 107.804
H11 C6 H12 107.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability